Choose either of the following options

CS50's Introduction to Computer Science

Welcome to learn.freeCodeCamp!

Specifically the:

parts

and then try reading

Getting Started - React

if it's all Greek to you, go back and do the other one

Utilities

So before you do development, you'll need a bunch of stuff on your computer. Open up the Terminal app and run

xcode-select --install

Then we'll need to install

Homebrew

with